<template>
  <div :class="'admin-header ' + theme">
    <!-- 折叠按钮 -->
    <div class="collapse-btn" @click="collapseChange">
      <el-icon v-if="sidebar.collapse">
        <Expand />
      </el-icon>
      <el-icon v-else>
        <Fold />
      </el-icon>
    </div>

    <div class="breadcrumb">
      <el-breadcrumb :separator-icon="ArrowRight">
        <el-breadcrumb-item v-for="item in breadcrumb" :key="item.title">{{ item.title }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="header-right">
      <div class="header-user-con">
        <!-- 切换主题 -->
        <el-switch style="margin-right: 10px" v-model="dark" inline-prompt :active-action-icon="Moon"
                   :inactive-action-icon="Sunny" @change="changeTheme"/>
        <!-- 用户名下拉菜单 -->
        <el-dropdown class="user-name" :hide-on-click="true" trigger="click">
          <span class="el-dropdown-link">
            <el-avatar class="user-avatar" :size="30" :src="avatar" />
            <el-icon class="el-icon--right">
              <arrow-down />
            </el-icon>
          </span>
          <template #dropdown>
            <el-dropdown-menu>
              <el-dropdown-item><i class="iconfont icon-version"></i> 当前版本：{{ version }}</el-dropdown-item>
              <el-dropdown-item divided @click="logout">
                <i class="iconfont icon-logout"></i>
                <span>退出登录</span>
              </el-dropdown-item>
            </el-dropdown-menu>
          </template>
        </el-dropdown>
      </div>
    </div>
  </div>
</template>
<script setup>
import {onMounted, ref, watch} from "vue";
import {getMenuItems, useSidebarStore} from "@/store/sidebar";
import {useRouter} from "vue-router";
import {ArrowDown, ArrowRight, Expand, Fold, Moon, Sunny} from "@element-plus/icons-vue";
import {httpGet} from "@/utils/http";
import {ElMessage} from "element-plus";
import {removeAdminToken} from "@/store/session";
import {useSharedStore} from "@/store/sharedata";

const version = ref(process.env.VUE_APP_VERSION);
const avatar = ref("/images/user-info.jpg");
const sidebar = useSidebarStore();
const router = useRouter();
const breadcrumb = ref([]);

const store = useSharedStore();
const dark = ref(store.theme === "dark");
const theme = ref(store.theme);
watch(
    () => store.theme,
  (val) => {
    theme.value = val;
  }
);

const changeTheme = () => {
  store.setTheme(dark.value ? "dark" : "light");
};

router.afterEach((to) => {
  initBreadCrumb(to.path);
});

onMounted(() => {
  initBreadCrumb(router.currentRoute.value.path);
});

// 初始化面包屑导航
const initBreadCrumb = (path) => {
  breadcrumb.value = [{ title: "首页" }];
  const items = getMenuItems();
  if (items) {
    let bk = false;
    for (let i = 0; i < items.length; i++) {
      if (items[i].index === path) {
        breadcrumb.value.push({
          title: items[i].title,
          path: items[i].index,
        });
        break;
      }
      if (bk) {
        break;
      }

      if (items[i]["subs"]) {
        const subs = items[i]["subs"];
        for (let j = 0; j < subs.length; j++) {
          if (subs[j].index === path) {
            breadcrumb.value.push({
              title: items[i].title,
              path: items[i].index,
            });
            breadcrumb.value.push({
              title: subs[j].title,
              path: subs[j].index,
            });
            bk = true;
            break;
          }
        }
      }
    }
  }
};

// 侧边栏折叠
const collapseChange = () => {
  sidebar.handleCollapse();
};

onMounted(() => {
  if (document.body.clientWidth < 1024) {
    collapseChange();
  }
});

const logout = function () {
  httpGet("/api/admin/logout")
    .then(() => {
      removeAdminToken();
      router.replace("/admin/login");
    })
    .catch((e) => {
      ElMessage.error("注销失败: " + e.message);
    });
};
</script>
<style scoped lang="stylus">
.admin-header {
  position: relative;
  box-sizing: border-box;
  overflow hidden
  height: 50px;
  font-size: 22px;
  background-color:var(--chat-content-bg);
  color:var(--theme-text-color-primary);

  .collapse-btn {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    float: left;
    padding: 0 10px;
    cursor: pointer;

    &:hover {
      background-color #eaecef
    }
  }

  .breadcrumb {
    float left
    display flex
    align-items center
    height 50px
  }

  .header-right {
    float: right;
    padding-right: 20px;

    .header-user-con {
      display: flex;
      height: 50px;
      align-items: center;

      .btn-bell {
        position: relative;
        width: 30px;
        height: 30px;
        text-align: center;
        border-radius: 15px;
        cursor: pointer;
        display: flex;
        align-items: center;

        .btn-bell-badge {
          position: absolute;
          right: 4px;
          top: 0;
          width: 8px;
          height: 8px;
          border-radius: 4px;
          background: #f56c6c;
          color: #303133;
        }

        .icon-bell {
          font-size: 24px;
        }
      }

      .user-name {
        margin-left: 10px;

        .el-icon {
          color: #303133;
        }
      }

      .user-avatar {

      }
    }
  }
}

.el-dropdown-link {
  color: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
}

.el-dropdown-menu__item {
  text-align: center;

  .icon-reward {
    font-size 18px;
    font-weight bold;
    color #F56C6C
  }
}
</style>

<style lang="stylus">
.donate-dialog {
  .el-dialog__body {
    text-align center;

    .el-alert__description {
      text-align left
      font-size 14px;
      line-height 1.5
    }
  }
}

.admin-header {

}
</style>
